What is "System Event Notification Service" in my Windows 8 service list?
And how is "System Event Notification Service" service related to sens.dll?

✍: FYIcenter.com

A

"System Event Notification Service" is a Windows 8 service that
Monitors system events and notifies subscribers to COM+ Event System of these events.
"System Event Notification Service" service is provided by sens.dll program file.